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Dental Health and Bad Breath

Bad breath, medically called halitosis, can result from poor dental health habits and may be a sign of other health problems. Bad breath can also be made worse by the types of foods you eat and other unhealthy lifestyle habits.

How Does What You Eat Affect Breath?

Basically, all the food eaten begins to be broken down in your mouth.  If you eat foods with strong odours (such as garlic or onions), brushing and flossing — even mouthwash — merely covers up the odour temporarily. The odour will not go away completely until the foods have passed through your body.

Why Do Poor Habits Cause Bad Breath?

If you don’t brush and floss teeth daily, food particles can remain in your mouth, promoting bacterial growth between teeth, around the gums, and on the tongue. This can then cause bad breath. Antibacterial mouth rinses also can help reduce bacteria.

In addition, odour-causing bacteria and food particles can cause bad breath if dentures are not properly cleaned.

Smoking or chewing tobacco-based products also can cause bad breath, stain teeth, reduce your ability to taste foods, and irritate your gums.

What Health Problems Are Associated With Bad Breath?

Persistent bad breath or a bad taste in the mouth may be a warning sign of gum (periodontal) disease. Gum disease is caused by the buildup of plaque on teeth. Bacteria cause the formation of toxins to form, which irritate the gums. If gum disease continues untreated, it can damage the gums and jawbone.

Other dental causes of bad breath include poorly fitting dental appliances, yeast infections of the mouth, and dental caries (cavities).

The medical condition dry mouth (also called xerostomia) also can cause bad breath. Saliva is necessary to moisten the mouth, neutralize acids produced by plaque, and wash away dead cells that accumulate on the tongue, gums, and cheeks. If not removed, these cells decompose and can cause bad breath. Dry mouth may be a side effect of various medications, salivary gland problems, or continuous breathing through the mouth.

What Can I Do to Prevent Bad Breath?

Bad breath can be reduced or prevented if you:

  1. Practice good oral hygiene.
  2. See your dentist regularly — at least twice a year.
  3. Stop smoking and chewing tobacco-based products. Ask your dentist for tips on kicking the habit.
  4. Drink lots of water. This will keep your mouth moist.
  5. Keep a log of the foods you eat. If you think they may be causing bad breath, bring the log to your dentist to review. Similarly, make a list of the medications you take. Some drugs may play a role in creating mouth odours.

Who Treats Bad Breath?

In most cases, your dentist can help treat the cause of bad breath. If your dentist determines that your mouth is healthy and the odor is not of oral origin, you may be referred to your family doctor or to a specialist to determine the odour source and treatment plan. If the odour is due to gum disease, for example, your dentist can either treat the disease or refer you to a periodontist, a dentist who specializes in treating gum conditions.

What Products Can I Use to Eliminate Bad Breath?

An antiseptic mouthwash can help eliminate bacteria that cause bad breath. Ask your dentist about which product is best for you.